Denso 234-4986 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Reliable Oxygen Sensor for Nissan and Infiniti Vehicles

The Denso OE Style Oxygen Sensor 234-4986 is designed specifically for select Nissan and Infiniti models, including the Altima, Juke, Maxima, Murano, Pathfinder, QX60, and Sentra. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Nissan and Infiniti models
• 15.08-inch wiring harness length for precise installation
• Four-wire design with male connector for secure connection
• Threaded mounting type with 0.708-inch thread diameter

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for vehicles requiring exact sensor fitment. The 234-4986 part maintains factory standards for wiring, connector type, and mounting, making it a suitable replacement for Nissan and Infiniti models listed.

Product Details and Specifications

This oxygen sensor features a heated element to reduce warm-up time, improving emissions control and fuel efficiency. The 15.08-inch wiring harness length provides flexibility during installation, while the four-wire configuration supports both sensor signal and heater power. The male connector and threaded mounting with a 0.708-inch diameter ensure a secure and precise fit in the exhaust system.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by ensuring proper air-fuel mixture
• Prevents check engine light triggers related to oxygen sensor faults
• Maintains optimal performance in Nissan Altima, Juke, Maxima, Murano, Pathfinder, QX60, and Sentra

Installation Notes and Tips

Ensure the vehicle is cool before removing the old sensor to avoid burns. Use appropriate tools for threaded sensor removal and installation. Verify the connector gender matches the vehicle harness for a proper connection. Follow torque specifications to prevent damage to the sensor or exhaust components.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable operation. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship.